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2 Sheets-Sheet 1 W. McGALL.

HI NGBD SLIDABLB WINDOW SEA-SH.

No. 591,356. Patented Oct. 5,1897.

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W. McOALL.

HINGED SLIDABLE WINDOW SASH. I Patented Oct. 5, 1897.

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UNITED S ATES PATENT a smoke.

WILLIAM MCOALL, OF SAN FRANCISCO, CALIFORNIA, ASSIGNOR OF THREE- FOUBTHSTO ELVIN O. MCOALL, CLARENCE O. MCOALL, AND MICHAEL OSULLIVAN, OF SAMEPLACE.

HINGED SLIDAB Ll-I WlNDOW-SASH.

SPECIFICATION forming part of Letters Patent No. 591,356, dated October5, 1897.

Application filed April 10, 1897. Serial No. 631,491, (No model.)

To aZZ whom it may concern.

Be it known that I, WILLIAM MoOALL. a

citizen of the United States,residin g in the city and county of SanFrancisco, State of California, have invented an Improvement in HingedSlidable Window-Sashes; and I hereby declare the following to be a full,clear, and exact description of the same.

My invention relates to an improvement in windows and their sashes; andit consists, essentially, in combination, with the sashes, ofindependent vertical slides movable in guides in the casing and havingwindowweights connected with them, a novel means for locking the sashesto said sliding portions or to disengage them from the sashes andsimultaneously lock the slides to the casing, and hinges upon theopposite edges of. the sashes, whereby the latter may be opened inwardlywhile the weighted slides are retained in position by the locks. 7

It consists also in certain details of construction, which will be morefully described by reference to the accompanying drawings,

in which- Figure 1 is a view of a window, showing my improvements. Fig.2 is a detail view of one of the sash-locks. Fig. 3 is an edge view ofthe same. Fig. 4. is a top view of the lower sash and connections. Fig.5 is an enlarged cross-section of the strips M and L and a part of oneof the slides. Fig. 6 illustrates a detail of the lockingbolts. 0 andturnable sleeves P.

' A-is the window-casing, having the usual vertical guide-channels andsliding sashes and the weighted ropes to connect with the sashes and actas counterbalances to the latter when they are moved up and. down.

.40 O O are vertically-sliding strips interposed between the sashes andthe casing, movable in the guides in the casing, and separated by theparting-strips thereof. One pair of these slides is fitted to the uppersash and the other to the lower sash. To each of these slides the sashesbeing correspondingly shouldered, as shown at 1-1, so that when closedtogether the slides and the sashes are practically in line with eachother.

In order to connect the sashes and the slides, I have shown the.revoluble doubleended hooks pivoted in the slides at points near thetop and bottom of each.

' The hooks F have a common center or hub, about which they areturnable, one curved and projecting, so as to look into the upper partof the sash, and the other correspondingly curved and projecting to lookinto the lower part of the sash at one end, while the opposite ends arecurved in the opposite directions, so that when desired they may belocked into the casing, while the first-named hooks are disengagedsimultaneously from the sash. The object of these hooks is first to lockthe slides and the sash together upon the side opposite the hinges ofthe sashes, and when they are thus locked together the two slidetogether as one structure.

When it is desired to open the sashes about their hinges, these locksare turned so as to disengage the hooks from the sashes and at the sametime engage them with the casing, so that when the sashes are opened theslides will not be thrown up to the top by the action of thecounterweights. This locking of the slides to the casing takes placewhen both sashes are brought down to the lowest point, so that one afterthe other may be opened inwardly for cleaning or other desired purposewithout any change in position of either.

The hooks or latches are fulcrumed upon a hollow sleeve G, whichprojects through the plate in which it is fulcrumed and has a socket Hfor the insertion of a suitable key by which to turn it.

locked in that position. These latches are mounted upon cam-plates 1 thelower edges of which are engaged by the arm g, and when it is turned itraises the cam-plate and the latch I. The hook F turns loosely on theshort shaft to which the arm 9 is made fast. Now by tn rnin g this shaftthe arm Q will raise the cam-plate to which the spring-latch I isattached, and the latter will thus be lifted out of the notch J and willconsequently release the hook F. The further movement of the arm g movesthe pin g, which is attached to it, to the end of the slot in the plate,in which this pin is movable. As soon as the pin reaches the end of theslot it begins to act upon the hook F and will move it until the latch Idrops into the other notch J and again looks it. A further movement ofthe key engages the hook and turns it into the new position, where it isagain locked by the falling of the catch into the notch at that side ofthe hook.

hen the key is removed from the opening, the latches are secured ineither position and cannot be accidentally turned.

Upon the hinge side the slides have fixed upon their faces which travelin the grooves in the casin g metal strips L, so bent as to form hooks,as shown at Z, and these extend behind and engage the metal strips M,which are secured in the bottom of the channels in the casing, thesestrips being raised at the edges and having suffieient space on eachside to allow the hooks to engage them. By this means the strips on thehinge sides are secured, and while easily slidable vertically they willbe prevented from being bodily withdrawn from the grooves or channelswhen the sashes are opened.

The slides upon the hinge side of the sashes are also provided withtransversely-movable locking-bolts O, which are toothed or otherwiseconstructed to be engaged by the cylindrical tnrnable sleeves P, theselatter being operated by keys in the same manner as those previouslydescribed upon the opposite side, so that when the windows are closedthese bolts may be caused to engage the casin g and thus prevent theirbeing moved.

\Vhen it is desired to move the sashes, they may be disengaged bywithdrawing the latches.

The operation of my device will then be as follows: hen the sashes arein their normally-closed position, the hooks are turned so as to engagewith the sashes and lock the sashes and the slides permanently together,the latches holding them, as previously described. hen it is desired toopen the sashes for any purpose, the lower sash is pushed up and theupper sash is pulled down to the bottom. When in this position, the keyis first inserted to disengage the upper sash from its slide, andsimultaneously with the turning of the latches to disengage the uppersash the slide is engaged with the opening in the casing and thus lockedthereto, so that it cannot be pulled up by the action of thecounterweight. The lower sash is then pulled down to the bottom and inthe same way disengaged from its slide, which is also locked to thecasing to prevent the counterweight from pulling it up. The two sashesmay then be opened about their hinges, both at the same time and uponthe same level. In order to prevent their being moved up while in thiscondition, the lock 0, previously deseribed,may be turned to engageslots in the casing, thus locking the whole firmly in place. \Vhen thesashes are again closed and locked to the slides, the latter being atthe same time disengaged from the casing, they will be in condition tobe moved up and down in the usual manner.

Having thus described my invention, what I claim as new, and desire tosecure by Letters Patent, is-

1. The combination with window-sashes of slides adapted to travelvertically in grooves in the casin g with connectedcounterbalance-weights, hinges by which the sashes are connected to theslides upon one side and about which the sashes are turnable, a turnablesleeve havinglatches adapted to engage with the sashes when the latterare closed upon the slides, andto be disengaged therefrom and engagedwith the openings in the casing whereby the slides are locked andprevented from being moved by the counterweights when the sashes areopened therefrom and a means engaging the latches and holding them in alocked position.

2. The combination with window-sashes of slides movable vertically ingrooves in the casing, hinges by which one edge of each sash isconnected with a corresponding slide, pivoted double-ended latcheswithin the slide upon the opposite side, openings in the edges of thesash adapted to be engaged by the latches upon one side whereby the sashand slide are connected together, corresponding openings in the casingadapted to be engaged by the latches upon the opposite side of theslides simultaneously with their disengagement from the sashes, wherebythe latter are allowed to swing about their hinges while their slidesare locked to the casing, a means engaging the latches in their severalpositions and holding them in a locked condition and means for releasingsaid latches.

3. The combination with window-sashes of a pair of slides for each sashadapted to move in grooves or channels in the casing, hinges by whichone edge of a sash is connected with one of said slides, double-endedlatches pivoted in the casing upon the opposite side, holes ordepressions in the sash and in the casing whereby the latches areengaged with the sash and disengaged from the casing or engaged with thecasing and disengaged from the sash simultaneously and spring-pressedcatches adapted to engage and lock the latches in either position.

4. A window-sash and slides,to one of which the sash is hinged and tothe other of which ICO the turnable latches are mounted having anopening to receive a key by which the sleeve is turnable from theoutside and an arm turnable with the sleeve whereby the springcatchesare first disengaged from the turnable latches and the latter areafterward turned to engage either with the sash or casing.

5. In a window and sashes of the class described, the independent slidesmovable in vertical guides in the casing, hinges by which the sashes areconnected to the s'lide'upon one side, and latches by which the oppositeedge of the sash is engaged with or disengaged from the slide upon thatside, said catches operating to simultaneously engage the slide to whichthe sash is hinged, whereby said slide and sash are temporarily lockedto the casing and means for releasing the looking devices.

6. In a window with slidable sashes of the class described independentslides movable in guiding-channels in the casing, hinges by which :thesash is engaged with the slide upon one side, a guide-strip fixed in thecasing and a hook-slide fixed to the edge of the sliding strip to whichthe sash is hinged, with its edges turned over to engage the strip inthe casing whereby the slide is kept in position and prevented fromfalling outwardly when the sash is opened.

In witness whereof I have hereunto set my hand.

WILLIAM MOCALL.

Witnesses:

S. H. NoURsE, H. F. ASCHECK.

